diff --git a/qinf21pro/system.prop b/qinf21pro/system.prop
index be31202..fa7ce23 100644
--- a/qinf21pro/system.prop
+++ b/qinf21pro/system.prop
@@ -1,5 +1,10 @@
-# Fixed Bluetooth audio
-persist.bluetooth.bluetooth_audio_hal.disabled=true
-persist.sys.bt.unsupport.features=00000000
-persist.sys.bt.unsupport.states=00000000
-persist.sys.bt.unsupport.stdfeatures=000001
+# Fixed Bluetooth audio
+persist.bluetooth.bluetooth_audio_hal.disabled=true
+persist.sys.bt.unsupport.features=00000000
+persist.sys.bt.unsupport.states=00000000
+persist.sys.bt.unsupport.stdfeatures=000001
+# VoLTE properties
+persist.dbg.vt_avail_ovr=1
+persist.dbg.volte_avail_ovr=1
+persist.dbg.wfc_avail_ovr=1
+persist.dbg.allow_ims_off=1
\ No newline at end of file